Buggy code:
class AccessibleObject { int handle ; int parentType ; int index = - 1 ; int id = ACC . CHILDID_SELF ; Accessible accessible ; AccessibleObject parent ; Hashtable children = new Hashtable ( 9 ) ; boolean isLightweight = false ; static int actionNamePtr = - 1 ; static int descriptionPtr = - 1 ; static int keybindingPtr = - 1 ; static int namePtr = - 1 ; static final Hashtable AccessibleObjects = new Hashtable ( 9 ) ; static final int ATK_ACTION_TYPE = ATK . g_type_from_name ( Converter . wcsToMbcs ( null , "AtkAction" , true ) ) ; static final int ATK_COMPONENT_TYPE = ATK . g_type_from_name ( Converter . wcsToMbcs ( null , "AtkComponent" , true ) ) ; static final int ATK_HYPERTEXT_TYPE = ATK . g_type_from_name ( Converter . wcsToMbcs ( null , "AtkHypertext" , true ) ) ; static final int ATK_SELECTION_TYPE = ATK . g_type_from_name ( Converter . wcsToMbcs ( null , "AtkSelection" , true ) ) ; static final int ATK_TEXT_TYPE = ATK . g_type_from_name ( Converter . wcsToMbcs ( null , "AtkText" , true ) ) ; static final boolean DEBUG = Display . DEBUG ; AccessibleObject ( int type , int widget , Accessible accessible , int parentType , boolean isLightweight ) { } void addChild ( AccessibleObject child ) { } static int atkAction_get_keybinding ( int atkObject , int index ) { } static int atkAction_get_name ( int atkObject , int index ) { } static int atkComponent_get_extents ( int atkObject , int x , int y , int width , int height , int coord_type ) { } static int atkComponent_get_position ( int atkObject , int x , int y , int coord_type ) { } static int atkComponent_get_size ( int atkObject , int width , int height , int coord_type ) { } static int atkComponent_ref_accessible_at_point ( int atkObject , int x , int y , int coord_type ) { } static int atkHypertext_get_link ( int atkObject , int link_index ) { } static int atkHypertext_get_n_links ( int atkObject ) { if ( AccessibleObject . DEBUG ) System . out . println ( "-->atkHypertext_get_n_links" ) ; <START_BUG> return 1 ; <END_BUG> } static int atkHypertext_get_link_index ( int atkObject , int char_index ) { } static int atkObject_get_description ( int atkObject ) { } static int atkObject_get_name ( int atkObject ) { } static int atkObject_get_n_children ( int atkObject ) { } static int atkObject_get_index_in_parent ( int atkObject ) { } static int atkObject_get_parent ( int atkObject ) { } static int atkObject_get_role ( int atkObject ) { } static int atkObject_ref_child ( int atkObject , int index ) { } static int atkObject_ref_state_set ( int atkObject ) { } static int atkSelection_is_child_selected ( int atkObject , int index ) { } static int atkSelection_ref_selection ( int atkObject , int index ) { } static int atkText_get_caret_offset ( int atkObject ) { } static int atkText_get_character_at_offset ( int atkObject , int offset ) { } static int atkText_get_character_count ( int atkObject ) { } static int atkText_get_n_selections ( int atkObject ) { } static int atkText_get_selection ( int atkObject , int selection_num , int start_offset , int end_offset ) { } static int atkText_get_text ( int atkObject , int start_offset , int end_offset ) { } static int atkText_get_text_after_offset ( int atkObject , int offset_value , int boundary_type , int start_offset , int end_offset ) { } static int atkText_get_text_at_offset ( int atkObject , int offset_value , int boundary_type , int start_offset , int end_offset ) { } static int atkText_get_text_before_offset ( int atkObject , int offset_value , int boundary_type , int start_offset , int end_offset ) { } AccessibleListener [ ] getAccessibleListeners ( ) { } static AccessibleObject getAccessibleObject ( int atkObject ) { } AccessibleObject getChildByHandle ( int handle ) { } AccessibleObject getChildByID ( int childId ) { } AccessibleObject getChildByIndex ( int childIndex ) { } AccessibleControlListener [ ] getControlListeners ( ) { } String getText ( ) { } AccessibleTextListener [ ] getTextListeners ( ) { } static int gObjectClass_finalize ( int atkObject ) { } static int nextIndexOfChar ( String string , String searchChars , int startIndex ) { } static int nextIndexOfNotChar ( String string , String searchChars , int startIndex ) { } static int previousIndexOfChar ( String string , String searchChars , int startIndex ) { } static int previousIndexOfNotChar ( String string , String searchChars , int startIndex ) { } void release ( ) { } void removeChild ( AccessibleObject child , boolean unref ) { } void selectionChanged ( ) { } void setFocus ( int childID ) { } void setParent ( AccessibleObject parent ) { } void textCaretMoved ( int index ) { } void textChanged ( int type , int startIndex , int length ) { } void textSelectionChanged ( ) { } void updateChildren ( ) { } }

Fix:
return 0 ;